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Telecordia GR-487-CORE for enclosures
Your best bet for a single chamber to do all these tests is our Faster Temperature Cycling Chambers series.
| Paragraph | Title | Description | Benchtop Models | Reach-in Models | Other Models |
|---|---|---|---|---|---|
| 3.26 R3-187 C. | Simulation of High Ambient Temperature | 46°C | Any benchtop or ovens | Any quality temperature/humidity chambers or Faster Temperature Cycling Chambers | Walk-in |
| 3.27 R3-191 [155] | Thermal Shock | -40 to 60°C | Almost every benchtop | Any quality temperature/humidity chambers or Faster Temperature Cycling Chambers | Walk-in |
| 3.34.2 R3-204 [166] | Temperature Cycling/High Humidity | 4 to 60°C w/ RH (see below) | Faster Temperature Cycling Chambers | Walk-in |
Here is a summary and special note of 3.34.2: Corrosion Resistance- Temperature Cycling/High Humidity:
Requires 40 twelve-hour cycles with three hour soaks at each extreme. Ramping up from 4.4 to 32°C with 90-95%RH, between 32 to 60°C, a specific humidity of 0.024 kg of water per kg of dry air. During descending temperatures—32 to 4.4°C humidity should be held to 80-95%RH.
LAB COMPANION notes that maintaining humidity during temperature ramping is dependent on the test chamber, the way the cycle is programmed, and the
samples loaded. A special modification to the humidity system may be required. Please let us know if you are going to be doing this test.
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